Across
- 3. another word for spinning
- 4. another word for moon
- 6. Earth-like planets
- 8. the amount of time it takes for a planet to go around the Sun
- 12. the way every other planet rotates except for Venus
Down
- 1. an inner planet that can be very hot in the day, but very cold at night
- 2. gases that surround a planet
- 5. planet in front of the asteroid belt
- 7. 3rd planet from the Sun
- 9. something that a celestial body does to go around a planet
- 10. has a very thick atmosphere
- 11. sometimes called a celestial body